Re: dxml 0.2.0 released

[Adrian Matoga via Digitalmars-d-announce]

On Wednesday, 14 February 2018 at 10:57:26 UTC, rikki cattermole 
wrote:
See lines:
- Input!IR temp = input;
- input = temp;

           bool commentLine() {
                Input!IR temp = input;
(...)
                if (!temp.empty) {
(...)           
                        input = temp;
                        return true;
                } else
                        return false;
        }

`temp = input.save` is exactly what you want here, which means 
forward range is required. Your example won't work for range 
objects with reference semantics.